CAS OpenIR
Mussel-inspired polydopamine treated Si/C electrode as high-performance anode for lithium-ion batteries
Wang, Rumeng1; Feng, Dongjin1; Chen, Tianhua3; Chen, Shimou2; Liu, Yuwen1
2020-06-05
Source PublicationJOURNAL OF ALLOYS AND COMPOUNDS
ISSN0925-8388
Volume825Pages:9
Abstract

In this paper, we report a mussel-inspired polydopamine coating on the Si/C electrode via a simple immersion process to improve the electrochemical performance such as cycle stability and rate capability. The nanometer-thick polydopamine coating layer enables fast Li+ transport at the interfaces and takes part in the formation of SEI due to the electron-rich amine group. The PD coated Si/C electrode exhibits good performance in long cycling test. Compare with the uncoated Si/C electrode, the capacity retention of the coated electrode is improved from 59.5% to 80% after 200 cycles. X-ray photoelectron spectroscopy, transmission electron microscopy and scanning electron microscopy prove that PD coating really promotes the formation of uniform and dense SEI and reduces cracks on the electrode surface. Meanwhile, the pulverization of electrodes which breaks the electrical contact with the current collector is alleviated. (C) 2020 Elsevier B.V. All rights reserved.

KeywordLithium-ion Batteries Silicon Anode Dopamine Surface Coating
DOI10.1016/j.jallcom.2020.154081
Language英语
WOS KeywordSurface-chemistry ; Silicon ; Challenges ; Stability ; Storage ; Metal ; Interface ; Composite ; Carbon
Funding ProjectNational Key Projects for Fundamental Research and Development of China[2016YFB0100104] ; National Natural Science Foundation of China[51922099] ; Hebei Province Natural Science Foundation of China[E2019203469]
WOS Research AreaChemistry ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectChemistry, Physical ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
Funding OrganizationNational Key Projects for Fundamental Research and Development of China ; National Natural Science Foundation of China ; Hebei Province Natural Science Foundation of China
WOS IDWOS:000514848600069
PublisherELSEVIER SCIENCE SA
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/39600
Collection中国科学院过程工程研究所
Corresponding AuthorChen, Shimou; Liu, Yuwen
Affiliation1.Yanshan Univ, Coll Environm & Chem Engn, Hebei Key Lab Appl Chem, Qinhuangdao 066004, Hebei, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, Beijing Key Lab Ion Liquids Clean Proc, CAS Key Lab Green Proc & Engn, Beijing 100190, Peoples R China
3.Univ Adelaide, Sch Chem Engn & Adv Mat, Adelaide, SA 5005, Australia
Recommended Citation
GB/T 7714
Wang, Rumeng,Feng, Dongjin,Chen, Tianhua,et al. Mussel-inspired polydopamine treated Si/C electrode as high-performance anode for lithium-ion batteries[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2020,825:9.
APA Wang, Rumeng,Feng, Dongjin,Chen, Tianhua,Chen, Shimou,&Liu, Yuwen.(2020).Mussel-inspired polydopamine treated Si/C electrode as high-performance anode for lithium-ion batteries.JOURNAL OF ALLOYS AND COMPOUNDS,825,9.
MLA Wang, Rumeng,et al."Mussel-inspired polydopamine treated Si/C electrode as high-performance anode for lithium-ion batteries".JOURNAL OF ALLOYS AND COMPOUNDS 825(2020):9.
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